—  _______ everyone here today?     — No. Mary and Helen             here now
           A. is; isn’t                 B.  is; aren’t            C.  Are; isn’t           D. Are;  aren’t
 
 —  _______ everyone here today?     — No. Mary and Helen             here now
           A. is; isn’t                 B.  is; aren’t            C.  Are; isn’t           D. Are;  aren’t
 
B